TAIPEI, June 28 : More than 200 people were injured, over 90 of them seriously, in an explosion at a water park outside Taiwan's capital Taipei on Saturday after coloured powder being sprayed onto a crowd ignited, officials said.Footage on the Apple Daily newspaper website showed crowds dancing as music played and clouds of powder being sprayed out which suddenly turned into a ball of fire that tore through the spectators. Terrified partygoers were then shown running for their lives, screaming, as they were overtaken by flames. ?AFP